CN209858377U - Indoor formaldehyde detection device - Google Patents
Indoor formaldehyde detection device Download PDFInfo
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- CN209858377U CN209858377U CN201920243525.6U CN201920243525U CN209858377U CN 209858377 U CN209858377 U CN 209858377U CN 201920243525 U CN201920243525 U CN 201920243525U CN 209858377 U CN209858377 U CN 209858377U
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- formaldehyde
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Abstract
The utility model discloses an indoor formaldehyde detection device, including handheld detection box, install air ration formaldehyde detection device in the handheld detection box, air ration formaldehyde detection device one side is equipped with formaldehyde secondary detection device, be equipped with battery device in the handheld detection box, handheld detection box carries out the formaldehyde content in detecting the air through using formaldehyde sensor, carries out ration extraction air through the ration exhaust tube, and through mixing air and aqueous solution again, the abundant aquatic that dissolves of formaldehyde in the messenger air to detect formaldehyde content through the density that detects the aqueous solution. The beneficial effects of the utility model are that, simple structure, the practicality is strong.
Description
Technical Field
The utility model relates to a formaldehyde detects relevant equipment field, especially an indoor formaldehyde detection device.
Background
When a new house is decorated, various artificial boards are used, the artificial boards are the main sources of indoor formaldehyde long-term pollution, and adhesives containing formaldehyde or formaldehyde directly added as a preservative are added in the processing and production processes of curtains, cloth textiles, wallpaper coatings and the like, so that the artificial boards also become formaldehyde release sources of new houses.
In patent CN 201721525166.0-a portable new room indoor formaldehyde detection device, place formaldehyde detection device in the house of new installation and repair, open the sealing door, it waits for the room air to get into to quiet a period, air reaction on will detecting the liquid drop and adding the detection test paper and detect the incasement through the solenoid valve that sets up on the play liquid pipe, sensitization point on kickboard and the space adjustment push pedal and scale mark interact on second scale plate and the first scale plate, it gives the treater to the signal transmission through the wire just to correspond the scale mark, the treater calculates the volume that detects gaseous volume and the liquid volume that detects liquid respectively according to the width that detects the box and the diameter that is higher than detection liquid survey buret, and show the numerical value that will calculate in the display screen, can calculate the formaldehyde content of unit volume through the chemical reaction formula, formaldehyde content detection is accurate.
However, most of the existing formaldehyde detection devices are handheld formaldehyde detectors, the handheld formaldehyde detectors detect formaldehyde by using formaldehyde sensors, and the formaldehyde sensors are easily interfered by other gases in the detection process, so that the detection of the formaldehyde content is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, design an indoor formaldehyde detection device.
Realize above-mentioned purpose the technical scheme of the utility model be, an indoor formaldehyde detection device, including handheld detection box, install air ration formaldehyde detection device in the handheld detection box, air ration formaldehyde detection device one side is equipped with formaldehyde secondary detection device, be equipped with battery device in the handheld detection box, handheld detection box carries out the formaldehyde content in detecting the air through using formaldehyde sensor, carries out ration extraction air through the ration exhaust tube, and through mixing air and aqueous solution again, the abundant aquatic that dissolves of formaldehyde in the messenger air to detect formaldehyde content through the density that detects aqueous solution.
The air quantitative formaldehyde detection device comprises an air inlet arranged at the center of the upper surface of the handheld detection box, a dust filter screen is arranged on the air inlet, a horn tube is arranged below the air inlet, a first contraction tube is arranged below the horn tube, a first one-way air valve is arranged on the first contraction tube, a formaldehyde sensor is arranged at one end of the first contraction tube, a second contraction tube is arranged on the formaldehyde sensor, a second one-way air valve is arranged on the second contraction tube, a quantitative air exhaust tube is arranged at one end of the second contraction tube, a movable piston is arranged in the quantitative air exhaust tube and movably connected with the quantitative air exhaust tube, an electric telescopic rod is arranged on the inner lower surface of the handheld detection box, the telescopic end of the electric telescopic rod is inserted into the quantitative air exhaust tube, and the telescopic end of the electric telescopic rod is fixedly connected with the movable piston, and the quantitative exhaust pipe is provided with an air outlet pipe, the air outlet pipe is positioned on one side of the second shrinkage pipe, and the air outlet pipe is provided with a one-way air valve III.
The formaldehyde secondary detection device comprises a spherical detection barrel installed at one end of an outlet pipe, a water inlet pipe is installed at one side above the spherical detection barrel, the water inlet pipe is fixedly connected with the side surface of one side of a handheld detection box, a one-way valve is installed on the water inlet pipe, a stirring hole is formed at the other side above the spherical detection barrel, a mechanical sealing structure is installed in the stirring hole, a stirring short shaft is installed below the mechanical sealing structure, an arc-shaped stirring frame is installed on the stirring short shaft, a miniature low-speed motor is installed above the mechanical sealing structure, the rotating end of the miniature low-speed motor is fixedly connected with the mechanical sealing structure, a detection port is formed at one side below the spherical detection barrel, a liquid density sensor is installed in the detection port, a drain pipe is installed at the center of the lower surface of the spherical detection barrel, the water discharging pipe is provided with an electromagnetic valve, the center of the upper surface of the spherical detection cylinder is provided with an exhaust pipe, the exhaust pipe is provided with an exhaust valve, and the exhaust pipe is fixedly connected with the lower surface of the handheld detection box.
The storage battery device comprises a storage battery box installed at one end inside the handheld detection box, a storage battery pack installed inside the storage battery box, a charging groove formed in the center of the lower surface of the handheld detection box, a charging interface installed in the charging groove, and the charging interface electrically connected with the storage battery pack.
The handheld detection box is characterized in that a liquid crystal display screen is arranged above the center of the upper surface of the handheld detection box, a plurality of control buttons are arranged below the liquid crystal display screen, and the control buttons are uniformly distributed on the handheld detection box.
The movable mounting has rubber hose on inlet tube and the drain pipe, inlet tube and drain pipe carry out moisturizing and drainage through rubber hose.
And a water level sensor is arranged in the spherical detection cylinder.
The included angle between the stirring hole and the detection port is 180 degrees.
Utilize the technical scheme of the utility model an indoor formaldehyde detection device of preparation, through using shrink tube one and shrink tube two to pass through the formaldehyde sensor with the air, thereby make the formaldehyde sensor can be abundant with the air contact, thereby accurate detection goes out the formaldehyde content in the air, again through mixing air and water, make the formaldehyde in the air dissolve the aquatic, thereby calculate the content of formaldehyde through the density that detects water, thereby detect out the content of formaldehyde, through the contrast of dual mode, thereby the content of formaldehyde in the accurate air, this device simple structure, and convenient operation.
Drawings
Fig. 1 is a schematic structural view of an indoor formaldehyde detection device according to the present invention;
FIG. 2 is a schematic view of the connection of the formaldehyde sensor according to the present invention;
FIG. 3 is a schematic view of the ball-type detecting cylinder of the present invention;
FIG. 4 is a schematic view of the lower surface of the hand-held test cassette of the present invention;
FIG. 5 is an external view of the hand-held test cassette of the present invention;
in the figure, 1, a hand-held detection box; 2. an air inlet; 3. a dust filter screen; 4. a flare tube; 5. a first contraction pipe; 6. a one-way air valve I; 7. a formaldehyde sensor; 8. a second contraction pipe; 9. a one-way air valve II; 10. a quantitative air exhaust pipe; 11. moving the piston; 12. an electric telescopic rod; 13. an air outlet pipe; 14. a one-way air valve III; 15. a spherical detection cylinder; 16. A water inlet pipe; 17. a one-way valve; 18. a stirring hole; 19. a mechanical seal structure; 20. stirring the short shaft; 21. an arc-shaped stirring frame; 22. a miniature low speed motor; 23. a detection port; 24. A liquid density sensor; 25. a drain pipe; 26. an electromagnetic valve; 27. an exhaust pipe; 28. An exhaust valve; 29. a battery case; 30. a battery pack; 31. a charging groove; 32. a charging interface; 33. a liquid crystal display screen; 34. a control button; 35. a rubber hose; 36. a water level sensor.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-5, in this embodiment:
firstly, charging a storage battery pack 30, separating a charger from a charging interface 32 after charging is finished, and detecting the indoor formaldehyde content when the indoor formaldehyde content is required;
firstly, connecting a rubber hose 35 to a water inlet pipe 16, connecting the rubber hose 35 with an external water pipe, enabling water to enter the water inlet pipe 16 through the rubber hose 35, then enter the spherical detection cylinder 15 through the water inlet pipe 16, detecting the water level in the spherical detection cylinder 15 through a water level sensor 36, and disconnecting the rubber hose 35 from the water inlet pipe 16 when the water level reaches a set value;
at the moment, the handheld detection box 1 is taken into a room, the electric telescopic rod 12 is controlled to start working, the electric telescopic rod 12 contracts to drive the movable piston 11 to start moving, the movable piston 11 moves to enable negative pressure to be generated in the quantitative air exhaust tube 10, the quantitative air exhaust tube 10 starts to absorb air through the air inlet 2, the air filters dust in the air through the dust filter screen cover, then enters the horn tube 4, enters the formaldehyde sensor 7 through the first contraction tube 5, the formaldehyde sensor 7 detects the formaldehyde content in the air, the detected air enters the quantitative air exhaust tube 10 through the second contraction tube, when the movable piston 11 moves to the lowest part in the quantitative air exhaust tube 10, the electric telescopic rod 12 is controlled to start extending, the electric telescopic rod 12 extends to drive the movable piston 11 to move upwards, and the air is discharged into the spherical detection cylinder 15 through the air outlet pipe 13;
at this time, the micro low-speed motor 22 is controlled to work, the micro low-speed motor 22 rotates to drive the stirring short shaft 20 to rotate through the mechanical seal relieving 19, the stirring short shaft 20 drives the arc-shaped stirring frame 21 to rotate, so that water is stirred, after air enters the spherical detection cylinder 15, the air is in full contact with flowing water, after formaldehyde in the air is fused with the water, the air without the formaldehyde is discharged to the outside through the exhaust pipe 27, after the formaldehyde is fused with the water, the liquid density sensor 24 in the spherical detection cylinder 15 starts to detect the density of the aqueous solution, and the content of the formaldehyde in the aqueous solution is calculated according to the density of the aqueous solution;
after the detection finishes, show formaldehyde content through liquid crystal display 33, supply the user to watch, after having detected formaldehyde content once, controlling means repeats once, detect once more and contrast, show the formaldehyde content that formaldehyde sensor 7 detected to liquid crystal display 33, liquid density sensor 24 in the ball-type detection section of thick bamboo 15 calculates formaldehyde content through the variable quantity that detects density, thereby show formaldehyde content to liquid crystal display 33, supply the user to observe, user's accessible detects many times and contrasts, thereby accurate detection goes out indoor formaldehyde content.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (8)
1. The utility model provides an indoor formaldehyde detection device, includes handheld detection box (1), its characterized in that, install air ration formaldehyde detection device in handheld detection box (1), air ration formaldehyde detection device one side is equipped with formaldehyde secondary detection device, be equipped with battery device in handheld detection box (1), handheld detection box (1) carries out the formaldehyde content in the detected air through using formaldehyde sensor, carries out quantitative extraction air through the ration exhaust tube, and through mixing air and aqueous solution again, the abundant aquatic of dissolving of formaldehyde in the messenger air to detect formaldehyde content through the density that detects aqueous solution.
2. The indoor formaldehyde detection device according to claim 1, wherein the air quantitative formaldehyde detection device comprises an air inlet (2) formed in the center of the upper surface of the handheld detection box (1), a dust filter screen (3) is installed on the air inlet (2), a horn tube (4) is installed below the air inlet (2), a first contraction tube (5) is installed below the horn tube (4), a first one-way air valve (6) is installed on the first contraction tube (5), a formaldehyde sensor (7) is installed at one end of the first contraction tube (5), a second contraction tube (8) is installed on the formaldehyde sensor (7), a second one-way air valve (9) is installed on the second contraction tube (8), a quantitative air extraction tube (10) is installed at one end of the second contraction tube (8), and a movable piston (11) is installed inside the quantitative air extraction tube (10), remove piston (11) and quantitative exhaust tube (10) swing joint, install electric telescopic handle (12) on the inside lower surface of handheld detection box (1), the flexible end of electric telescopic handle (12) inserts in quantitative exhaust tube (10), the flexible end and the removal piston (11) fixed connection of electric telescopic handle (12), install outlet duct (13) on quantitative exhaust tube (10), outlet duct (13) are located two (8) one sides of shrinkage tube, install one-way pneumatic valve three (14) on outlet duct (13).
3. The indoor formaldehyde detection device according to claim 2, wherein the formaldehyde secondary detection device comprises a spherical detection barrel (15) installed at one end of the air outlet pipe (13), a water inlet pipe (16) is installed at one side above the spherical detection barrel (15), the water inlet pipe (16) is fixedly connected with the side surface of one side of the handheld detection box (1), a one-way valve (17) is installed on the water inlet pipe (16), a stirring hole (18) is formed at the other side above the spherical detection barrel (15), a mechanical sealing structure (19) is installed in the stirring hole (18), a stirring short shaft (20) is installed below the mechanical sealing structure (19), an arc-shaped stirring frame (21) is installed on the stirring short shaft (20), a miniature low-speed motor (22) is installed above the mechanical sealing structure (19), and the rotating end of the miniature low-speed motor (22) is fixedly connected with the mechanical sealing structure (19), the utility model discloses a spherical detection box, including spherical detection barrel (15), drain pipe (25) and handheld detection box (1), the spherical detection barrel (15) below one side is opened there is detection mouth (23), install liquid density sensor (24) in detection mouth (23), spherical detection barrel (15) lower surface center department installs drain pipe (25), drain pipe (25) and handheld detection box (1) opposite side surface fixed connection, install solenoid valve (26) on drain pipe (25), spherical detection barrel (15) upper surface center department installs blast pipe (27), install discharge valve (28) on blast pipe (27), blast pipe (27) and the handheld lower fixed surface connection who detects box (1).
4. The indoor formaldehyde detection device according to claim 1, wherein the storage battery device comprises a storage battery box (29) mounted at one end inside the handheld detection box (1), a storage battery pack (30) mounted inside the storage battery box (29), a charging groove (31) is formed in the center of the lower surface of the handheld detection box (1), a charging interface (32) is mounted in the charging groove (31), and the charging interface (32) is electrically connected with the storage battery pack (30).
5. The indoor formaldehyde detection device according to claim 1, wherein a liquid crystal display (33) is arranged above the center of the upper surface of the handheld detection box (1), a plurality of control buttons (34) are arranged below the liquid crystal display (33), and the control buttons (34) are uniformly distributed on the handheld detection box (1).
6. An indoor formaldehyde detecting device according to claim 3, wherein rubber hoses (35) are movably mounted on the water inlet pipe (16) and the water outlet pipe (25), and the water inlet pipe (16) and the water outlet pipe (25) are used for water supplement and drainage through the rubber hoses (35).
7. An indoor formaldehyde detecting device according to claim 3, wherein a water level sensor (36) is arranged inside the spherical detecting cylinder (15).
8. An indoor formaldehyde detecting device according to claim 3, wherein the included angle between the stirring hole (18) and the detecting port (23) is 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243525.6U CN209858377U (en) | 2019-02-27 | 2019-02-27 | Indoor formaldehyde detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243525.6U CN209858377U (en) | 2019-02-27 | 2019-02-27 | Indoor formaldehyde detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209858377U true CN209858377U (en) | 2019-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920243525.6U Expired - Fee Related CN209858377U (en) | 2019-02-27 | 2019-02-27 | Indoor formaldehyde detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209858377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125322A (en) * | 2021-04-28 | 2021-07-16 | 浙江极地检测科技有限公司 | Indoor air detection equipment |
-
2019
- 2019-02-27 CN CN201920243525.6U patent/CN209858377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125322A (en) * | 2021-04-28 | 2021-07-16 | 浙江极地检测科技有限公司 | Indoor air detection equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |